Add 21/9 and 6/16
1st number: 2 3/9, 2nd number: 6/16
21/9 + 6/16 is 65/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 9 × 16 = 144,
21/9 = 21 × 16/9 × 16 = 336/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
6/16 = 6 × 9/16 × 9 = 54/144 - Add the two like fractions:
336/144 + 54/144 = 336 + 54/144 = 390/144 - 390/144 simplified gives 65/24
- So, 21/9 + 6/16 = 65/24
In mixed form: 217/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/9+6/16 21/9+12/16 21/18+6/16 21/9+6/32 63/9+6/16 21/9+18/16 21/27+6/16 21/9+6/48 21/9+30/16 21/45+6/16 21/9+6/80 21/9+42/16 21/63+6/16